7378940457 has 64 divisors (see below), whose sum is σ = 13445568000. Its totient is φ = 3903344640.

The previous prime is 7378940441. The next prime is 7378940473. The reversal of 7378940457 is 7540498737.

7378940457 is a `hidden beast` number, since 73 + 7 + 89 + 40 + 457 = 666.

It is an interprime number because it is at equal distance from previous prime (7378940441) and next prime (7378940473).

It is not a de Polignac number, because 7378940457 - 2⁴ = 7378940441 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7378940407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 177169 + ... + 214817.

It is an arithmetic number, because the mean of its divisors is an integer number (210087000).

Almost surely, 2^7378940457 is an apocalyptic number.

It is an amenable number.

7378940457 is a deficient number, since it is larger than the sum of its proper divisors (6066627543).

7378940457 is a wasteful number, since it uses less digits than its factorization.

7378940457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37743 (or 37737 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The square root of 7378940457 is about 85900.7593505436. The cubic root of 7378940457 is about 1946.8448170599.

The spelling of 7378940457 in words is "seven billion, three hundred seventy-eight million, nine hundred forty thousand, four hundred fifty-seven".