72970963 has 8 divisors (see below), whose sum is σ = 82720400. Its totient is φ = 63812448.

The previous prime is 72970951. The next prime is 72970981. The reversal of 72970963 is 36907927.

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 72970963 - 2⁹ = 72970451 is a prime.

It is a super-2 number, since 2×72970963² = 10649522882294738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72970903) 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, 147468 + ... + 147961.

It is an arithmetic number, because the mean of its divisors is an integer number (10340050).

Almost surely, 2^72970963 is an apocalyptic number.

72970963 is a deficient number, since it is larger than the sum of its proper divisors (9749437).

72970963 is a wasteful number, since it uses less digits than its factorization.

72970963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295461.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 72970963 is about 8542.3043144107. The cubic root of 72970963 is about 417.8784988316.

The spelling of 72970963 in words is "seventy-two million, nine hundred seventy thousand, nine hundred sixty-three".