72423563476 has 12 divisors (see below), whose sum is σ = 138263166720. Its totient is φ = 32919801560.

The previous prime is 72423563467. The next prime is 72423563477. The reversal of 72423563476 is 67436532427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72423563477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822994996 + ... + 822995083.

It is an arithmetic number, because the mean of its divisors is an integer number (11521930560).

Almost surely, 2^72423563476 is an apocalyptic number.

It is an amenable number.

72423563476 is a deficient number, since it is larger than the sum of its proper divisors (65839603244).

72423563476 is a wasteful number, since it uses less digits than its factorization.

72423563476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645990094 (or 1645990092 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 49.

The spelling of 72423563476 in words is "seventy-two billion, four hundred twenty-three million, five hundred sixty-three thousand, four hundred seventy-six".