72149374 has 8 divisors (see below), whose sum is σ = 118062648. Its totient is φ = 32795160.

The previous prime is 72149347. The next prime is 72149393. The reversal of 72149374 is 47394127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639737 + ... + 1639780.

It is an arithmetic number, because the mean of its divisors is an integer number (14757831).

Almost surely, 2^72149374 is an apocalyptic number.

72149374 is a deficient number, since it is larger than the sum of its proper divisors (45913274).

72149374 is a wasteful number, since it uses less digits than its factorization.

72149374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279530.

The product of its digits is 42336, while the sum is 37.

The square root of 72149374 is about 8494.0787611135. The cubic root of 72149374 is about 416.3042607378.

The spelling of 72149374 in words is "seventy-two million, one hundred forty-nine thousand, three hundred seventy-four".