7380372864 has 128 divisors (see below), whose sum is σ = 20935296000. Its totient is φ = 2298562560.

The previous prime is 7380372851. The next prime is 7380372889. The reversal of 7380372864 is 4682730837.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×7380372864² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334527 + ... + 355905.

It is an arithmetic number, because the mean of its divisors is an integer number (163557000).

Almost surely, 2^7380372864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7380372864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10467648000).

7380372864 is an abundant number, since it is smaller than the sum of its proper divisors (13554923136).

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

7380372864 is a wasteful number, since it uses less digits than its factorization.

7380372864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21456 (or 21444 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 7380372864 is about 85909.0965148627. The cubic root of 7380372864 is about 1946.9707833705.

The spelling of 7380372864 in words is "seven billion, three hundred eighty million, three hundred seventy-two thousand, eight hundred sixty-four".