72495973 has 8 divisors (see below), whose sum is σ = 83738880. Its totient is φ = 62028480.

The previous prime is 72495971. The next prime is 72495991. The reversal of 72495973 is 37959427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72495973 - 2¹ = 72495971 is a prime.

It is a super-2 number, since 2×72495973² = 10511332202433458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72495971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193653 + ... + 194026.

It is an arithmetic number, because the mean of its divisors is an integer number (10467360).

Almost surely, 2^72495973 is an apocalyptic number.

It is an amenable number.

72495973 is a deficient number, since it is larger than the sum of its proper divisors (11242907).

72495973 is a wasteful number, since it uses less digits than its factorization.

72495973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387707.

The product of its digits is 476280, while the sum is 46.

The square root of 72495973 is about 8514.4567060970. The cubic root of 72495973 is about 416.9698253119.

The spelling of 72495973 in words is "seventy-two million, four hundred ninety-five thousand, nine hundred seventy-three".