7389970402500 has 675 divisors, whose sum is σ = 28114762589067. Its totient is φ = 1687178808000.

The previous prime is 7389970402469. The next prime is 7389970402511. The reversal of 7389970402500 is 52040799837.

The square root of 7389970402500 is 2718450.

It is a perfect power (a square), and thus also a powerful number.

7389970402500 is a `hidden beast` number, since 7 + 3 + 8 + 9 + 97 + 0 + 40 + 2 + 500 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 579373679556 + 6810596722944 = 761166^2 + 2609712^2 .

It is a tau number, because it is divible by the number of its divisors (675).

It is a super-2 number, since 2×7389970402500² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 224 ways as a sum of consecutive naturals, for example, 8563117069 + ... + 8563117931.

Almost surely, 2^{7389970402500} is an apocalyptic number.

7389970402500 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7389970402500 is the 2718450-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7389970402500

7389970402500 is an abundant number, since it is smaller than the sum of its proper divisors (20724792186567).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7389970402500 is an frugal number, since it uses more digits than its factorization.

7389970402500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 7389970402500 in words is "seven trillion, three hundred eighty-nine billion, nine hundred seventy million, four hundred two thousand, five hundred".