72674474 has 4 divisors (see below), whose sum is σ = 109011714. Its totient is φ = 36337236.

The previous prime is 72674471. The next prime is 72674479. The reversal of 72674474 is 47447627.

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., 68773849 + 3900625 = 8293^2 + 1975^2 .

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (72674471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18168617 + ... + 18168620.

Almost surely, 2^72674474 is an apocalyptic number.

72674474 is a deficient number, since it is larger than the sum of its proper divisors (36337240).

72674474 is a wasteful number, since it uses less digits than its factorization.

72674474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36337239.

The product of its digits is 263424, while the sum is 41.

The square root of 72674474 is about 8524.9324924013. The cubic root of 72674474 is about 417.3117685668.

The spelling of 72674474 in words is "seventy-two million, six hundred seventy-four thousand, four hundred seventy-four".