72113474 has 16 divisors (see below), whose sum is σ = 114374400. Its totient is φ = 34005744.

The previous prime is 72113449. The next prime is 72113479. The reversal of 72113474 is 47431127.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72113479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4559 + ... + 12845.

It is an arithmetic number, because the mean of its divisors is an integer number (7148400).

Almost surely, 2^72113474 is an apocalyptic number.

72113474 is a deficient number, since it is larger than the sum of its proper divisors (42260926).

72113474 is a wasteful number, since it uses less digits than its factorization.

72113474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537.

The product of its digits is 4704, while the sum is 29.

The square root of 72113474 is about 8491.9652613515. The cubic root of 72113474 is about 416.2352012222.

The spelling of 72113474 in words is "seventy-two million, one hundred thirteen thousand, four hundred seventy-four".