73972951 has 8 divisors (see below), whose sum is σ = 79761024. Its totient is φ = 68198880.

The previous prime is 73972919. The next prime is 73972981. The reversal of 73972951 is 15927937.

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 73972951 - 2⁵ = 73972919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73972898 and 73972907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73972981) 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, 9210 + ... + 15256.

It is an arithmetic number, because the mean of its divisors is an integer number (9970128).

Almost surely, 2^73972951 is an apocalyptic number.

73972951 is a deficient number, since it is larger than the sum of its proper divisors (5788073).

73972951 is a wasteful number, since it uses less digits than its factorization.

73972951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001.

The product of its digits is 119070, while the sum is 43.

The square root of 73972951 is about 8600.7529321566. The cubic root of 73972951 is about 419.7824856322.

The spelling of 73972951 in words is "seventy-three million, nine hundred seventy-two thousand, nine hundred fifty-one".