7245987838 has 8 divisors (see below), whose sum is σ = 11100236832. Its totient is φ = 3545908896.

The previous prime is 7245987787. The next prime is 7245987863. The reversal of 7245987838 is 8387895427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×7245987838³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38542395 + ... + 38542582.

It is an arithmetic number, because the mean of its divisors is an integer number (1387529604).

Almost surely, 2^7245987838 is an apocalyptic number.

7245987838 is a deficient number, since it is larger than the sum of its proper divisors (3854248994).

7245987838 is a wasteful number, since it uses less digits than its factorization.

7245987838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77085026.

The product of its digits is 27095040, while the sum is 61.

The square root of 7245987838 is about 85123.3683426590. The cubic root of 7245987838 is about 1935.0812295109.

The spelling of 7245987838 in words is "seven billion, two hundred forty-five million, nine hundred eighty-seven thousand, eight hundred thirty-eight".