72075623450 has 24 divisors (see below), whose sum is σ = 134095301280. Its totient is φ = 28822799600.

The previous prime is 72075623449. The next prime is 72075623467. The reversal of 72075623450 is 5432657027.

It is a junction number, because it is equal to n+sod(n) for n = 72075623398 and 72075623407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11261 + ... + 379839.

It is an arithmetic number, because the mean of its divisors is an integer number (5587304220).

Almost surely, 2^72075623450 is an apocalyptic number.

72075623450 is a deficient number, since it is larger than the sum of its proper divisors (62019677830).

72075623450 is a wasteful number, since it uses less digits than its factorization.

72075623450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372502 (or 372497 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 72075623450 in words is "seventy-two billion, seventy-five million, six hundred twenty-three thousand, four hundred fifty".