72951154 has 4 divisors (see below), whose sum is σ = 109426734. Its totient is φ = 36475576.

The previous prime is 72951143. The next prime is 72951167. The reversal of 72951154 is 45115927.

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

It can be written as a sum of positive squares in only one way, i.e., 40768225 + 32182929 = 6385^2 + 5673^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18237787 + ... + 18237790.

Almost surely, 2^72951154 is an apocalyptic number.

72951154 is a deficient number, since it is larger than the sum of its proper divisors (36475580).

72951154 is a wasteful number, since it uses less digits than its factorization.

72951154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36475579.

The product of its digits is 12600, while the sum is 34.

The square root of 72951154 is about 8541.1447710480. The cubic root of 72951154 is about 417.8406823998.

The spelling of 72951154 in words is "seventy-two million, nine hundred fifty-one thousand, one hundred fifty-four".