137672073 has 48 divisors (see below), whose sum is σ = 249215616. Its totient is φ = 71147520.

The previous prime is 137672063. The next prime is 137672107. The reversal of 137672073 is 370276731.

It is not a de Polignac number, because 137672073 - 2⁶ = 137672009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137672063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177715 + ... + 178487.

It is an arithmetic number, because the mean of its divisors is an integer number (5191992).

Almost surely, 2^137672073 is an apocalyptic number.

It is an amenable number.

137672073 is a deficient number, since it is larger than the sum of its proper divisors (111543543).

137672073 is a wasteful number, since it uses less digits than its factorization.

137672073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 137672073 is about 11733.3743228451. The cubic root of 137672073 is about 516.3552740810.

The spelling of 137672073 in words is "one hundred thirty-seven million, six hundred seventy-two thousand, seventy-three".