72026956 has 6 divisors (see below), whose sum is σ = 126047180. Its totient is φ = 36013476.

The previous prime is 72026953. The next prime is 72026987. The reversal of 72026956 is 65962027.

72026956 = T₆₉₂₈ + T₆₉₂₉ + T₆₉₃₀.

It is not an unprimeable number, because it can be changed into a prime (72026953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9003366 + ... + 9003373.

Almost surely, 2^72026956 is an apocalyptic number.

72026956 is the 6930-th centered triangular number.

It is an amenable number.

72026956 is a deficient number, since it is larger than the sum of its proper divisors (54020224).

72026956 is a wasteful number, since it uses less digits than its factorization.

72026956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18006743 (or 18006741 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 72026956 is about 8486.8696231296. The cubic root of 72026956 is about 416.0686754841.

The spelling of 72026956 in words is "seventy-two million, twenty-six thousand, nine hundred fifty-six".