72483775442 has 16 divisors (see below), whose sum is σ = 119945011032. Its totient is φ = 32638097280.

The previous prime is 72483775411. The next prime is 72483775487. The reversal of 72483775442 is 24457738427.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21254432521 + 51229342921 = 145789^2 + 226339^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33996953 + ... + 33999084.

Almost surely, 2^72483775442 is an apocalyptic number.

72483775442 is a deficient number, since it is larger than the sum of its proper divisors (47461235590).

72483775442 is a wasteful number, since it uses less digits than its factorization.

72483775442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67996093.

The product of its digits is 10536960, while the sum is 53.

The spelling of 72483775442 in words is "seventy-two billion, four hundred eighty-three million, seven hundred seventy-five thousand, four hundred forty-two".