137473679 has 32 divisors (see below), whose sum is σ = 172440576. Its totient is φ = 106928640.

The previous prime is 137473657. The next prime is 137473703. The reversal of 137473679 is 976374731.

137473679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137473679 - 2¹² = 137469583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137473619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447644 + ... + 447950.

It is an arithmetic number, because the mean of its divisors is an integer number (5388768).

Almost surely, 2^137473679 is an apocalyptic number.

137473679 is a deficient number, since it is larger than the sum of its proper divisors (34966897).

137473679 is a wasteful number, since it uses less digits than its factorization.

137473679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its digits is 666792, while the sum is 47.

The square root of 137473679 is about 11724.9170146317. The cubic root of 137473679 is about 516.1071215114.

The spelling of 137473679 in words is "one hundred thirty-seven million, four hundred seventy-three thousand, six hundred seventy-nine".