72546151 has 4 divisors (see below), whose sum is σ = 72580032. Its totient is φ = 72512272.

The previous prime is 72546143. The next prime is 72546283. The reversal of 72546151 is 15164527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72546151 - 2³ = 72546143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72546101) 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, 13495 + ... + 18088.

It is an arithmetic number, because the mean of its divisors is an integer number (18145008).

Almost surely, 2^72546151 is an apocalyptic number.

72546151 is a deficient number, since it is larger than the sum of its proper divisors (33881).

72546151 is a wasteful number, since it uses less digits than its factorization.

72546151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33880.

The product of its digits is 8400, while the sum is 31.

The square root of 72546151 is about 8517.4028318496. The cubic root of 72546151 is about 417.0660048452.

The spelling of 72546151 in words is "seventy-two million, five hundred forty-six thousand, one hundred fifty-one".