157471672 has 8 divisors (see below), whose sum is σ = 295259400. Its totient is φ = 78735832.

The previous prime is 157471651. The next prime is 157471679. The reversal of 157471672 is 276174751.

It is a happy number.

157471672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157471679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9841972 + ... + 9841987.

It is an arithmetic number, because the mean of its divisors is an integer number (36907425).

Almost surely, 2^157471672 is an apocalyptic number.

It is an amenable number.

157471672 is a deficient number, since it is larger than the sum of its proper divisors (137787728).

157471672 is a wasteful number, since it uses less digits than its factorization.

157471672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19683965 (or 19683961 counting only the distinct ones).

The product of its digits is 82320, while the sum is 40.

The square root of 157471672 is about 12548.7717327235. The cubic root of 157471672 is about 540.0087698621.

The spelling of 157471672 in words is "one hundred fifty-seven million, four hundred seventy-one thousand, six hundred seventy-two".