37428616725407 has 4 divisors (see below), whose sum is σ = 37428629918616. Its totient is φ = 37428603532200.

The previous prime is 37428616725341. The next prime is 37428616725439. The reversal of 37428616725407 is 70452761682473.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 37428616725407 - 2³² = 37424321758111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37428616725407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37428616745407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402344 + ... + 8661357.

It is an arithmetic number, because the mean of its divisors is an integer number (9357157479654).

Almost surely, 2^{37428616725407} is an apocalyptic number.

37428616725407 is a deficient number, since it is larger than the sum of its proper divisors (13193209).

37428616725407 is an equidigital number, since it uses as much as digits as its factorization.

37428616725407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13193208.

The product of its (nonzero) digits is 94832640, while the sum is 62.

The spelling of 37428616725407 in words is "thirty-seven trillion, four hundred twenty-eight billion, six hundred sixteen million, seven hundred twenty-five thousand, four hundred seven".