72034474 has 8 divisors (see below), whose sum is σ = 114407748. Its totient is φ = 33898560.

The previous prime is 72034471. The next prime is 72034481. The reversal of 72034474 is 47443027.

It can be written as a sum of positive squares in 2 ways, for example, as 71825625 + 208849 = 8475^2 + 457^2 .

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

It is not an unprimeable number, because it can be changed into a prime (72034471) 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 3 ways as a sum of consecutive naturals, for example, 1059297 + ... + 1059364.

Almost surely, 2^72034474 is an apocalyptic number.

72034474 is a deficient number, since it is larger than the sum of its proper divisors (42373274).

72034474 is a wasteful number, since it uses less digits than its factorization.

72034474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118680.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 72034474 is about 8487.3125310666. The cubic root of 72034474 is about 416.0831510621.

The spelling of 72034474 in words is "seventy-two million, thirty-four thousand, four hundred seventy-four".