70738372374021 has 24 divisors (see below), whose sum is σ = 111493328094720. Its totient is φ = 42861432398400.

The previous prime is 70738372373987. The next prime is 70738372374023. The reversal of 70738372374021 is 12047327383707.

70738372374021 is a `hidden beast` number, since 7 + 0 + 7 + 383 + 7 + 237 + 4 + 0 + 21 = 666.

It is not a de Polignac number, because 70738372374021 - 2⁹ = 70738372373509 is a prime.

It is a super-2 number, since 2×70738372374021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70738372374023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85489800 + ... + 86313281.

It is an arithmetic number, because the mean of its divisors is an integer number (4645555337280).

Almost surely, 2^{70738372374021} is an apocalyptic number.

It is an amenable number.

70738372374021 is a deficient number, since it is larger than the sum of its proper divisors (40754955720699).

70738372374021 is a wasteful number, since it uses less digits than its factorization.

70738372374021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171807257 (or 171807254 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 54.

The spelling of 70738372374021 in words is "seventy trillion, seven hundred thirty-eight billion, three hundred seventy-two million, three hundred seventy-four thousand, twenty-one".