72955425 has 24 divisors (see below), whose sum is σ = 125866944. Its totient is φ = 37216960.

The previous prime is 72955417. The next prime is 72955427. The reversal of 72955425 is 52455927.

It is not a de Polignac number, because 72955425 - 2³ = 72955417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72955427) 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 in 23 ways as a sum of consecutive naturals, for example, 19422 + ... + 22871.

It is an arithmetic number, because the mean of its divisors is an integer number (5244456).

Almost surely, 2^72955425 is an apocalyptic number.

72955425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72955425 is a deficient number, since it is larger than the sum of its proper divisors (52911519).

72955425 is a wasteful number, since it uses less digits than its factorization.

72955425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42329 (or 42324 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The square root of 72955425 is about 8541.3947924212. The cubic root of 72955425 is about 417.8488365442.

It can be divided in two parts, 7295 and 5425, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 72955425 in words is "seventy-two million, nine hundred fifty-five thousand, four hundred twenty-five".