72335474 has 4 divisors (see below), whose sum is σ = 108503214. Its totient is φ = 36167736.

The previous prime is 72335467. The next prime is 72335479. The reversal of 72335474 is 47453327.

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., 66308449 + 6027025 = 8143^2 + 2455^2 .

It is not an unprimeable number, because it can be changed into a prime (72335479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18083867 + ... + 18083870.

Almost surely, 2^72335474 is an apocalyptic number.

72335474 is a deficient number, since it is larger than the sum of its proper divisors (36167740).

72335474 is a wasteful number, since it uses less digits than its factorization.

72335474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36167739.

The product of its digits is 70560, while the sum is 35.

The square root of 72335474 is about 8505.0263961965. The cubic root of 72335474 is about 416.6618878030.

The spelling of 72335474 in words is "seventy-two million, three hundred thirty-five thousand, four hundred seventy-four".