72002074 has 8 divisors (see below), whose sum is σ = 110922228. Its totient is φ = 35028000.

The previous prime is 72002053. The next prime is 72002087. The reversal of 72002074 is 47020027.

It can be written as a sum of positive squares in 2 ways, for example, as 65205625 + 6796449 = 8075^2 + 2607^2 .

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

It is an unprimeable number.

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, 486427 + ... + 486574.

Almost surely, 2^72002074 is an apocalyptic number.

72002074 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72002074 is a deficient number, since it is larger than the sum of its proper divisors (38920154).

72002074 is a wasteful number, since it uses less digits than its factorization.

72002074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973040.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 72002074 is about 8485.4035849805. The cubic root of 72002074 is about 416.0207591034.

The spelling of 72002074 in words is "seventy-two million, two thousand, seventy-four".