72814034 has 4 divisors (see below), whose sum is σ = 109221054. Its totient is φ = 36407016.

The previous prime is 72814019. The next prime is 72814037. The reversal of 72814034 is 43041827.

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., 52519009 + 20295025 = 7247^2 + 4505^2 .

It is a junction number, because it is equal to n+sod(n) for n = 72813988 and 72814006.

It is not an unprimeable number, because it can be changed into a prime (72814037) 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, 18203507 + ... + 18203510.

Almost surely, 2^72814034 is an apocalyptic number.

72814034 is a deficient number, since it is larger than the sum of its proper divisors (36407020).

72814034 is a wasteful number, since it uses less digits than its factorization.

72814034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36407019.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 72814034 is about 8533.1139685346. The cubic root of 72814034 is about 417.5787251594.

The spelling of 72814034 in words is "seventy-two million, eight hundred fourteen thousand, thirty-four".