157472407 has 16 divisors (see below), whose sum is σ = 171246240. Its totient is φ = 144450432.

The previous prime is 157472401. The next prime is 157472443. The reversal of 157472407 is 704274751.

It is a cyclic number.

It is not a de Polignac number, because 157472407 - 2⁷ = 157472279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157472401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44433 + ... + 47845.

It is an arithmetic number, because the mean of its divisors is an integer number (10702890).

Almost surely, 2^157472407 is an apocalyptic number.

157472407 is a deficient number, since it is larger than the sum of its proper divisors (13773833).

157472407 is a wasteful number, since it uses less digits than its factorization.

157472407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 157472407 is about 12548.8010184240. The cubic root of 157472407 is about 540.0096100256.

The spelling of 157472407 in words is "one hundred fifty-seven million, four hundred seventy-two thousand, four hundred seven".