72011074 has 4 divisors (see below), whose sum is σ = 108016614. Its totient is φ = 36005536.

The previous prime is 72011063. The next prime is 72011087. The reversal of 72011074 is 47011027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47011027 = 7 ⋅6715861.

It can be written as a sum of positive squares in only one way, i.e., 68973025 + 3038049 = 8305^2 + 1743^2 .

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 as a sum of consecutive naturals, namely, 18002767 + ... + 18002770.

Almost surely, 2^72011074 is an apocalyptic number.

72011074 is a deficient number, since it is larger than the sum of its proper divisors (36005540).

72011074 is a wasteful number, since it uses less digits than its factorization.

72011074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36005539.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 72011074 is about 8485.9338908573. The cubic root of 72011074 is about 416.0380920802.

The spelling of 72011074 in words is "seventy-two million, eleven thousand, seventy-four".