72886425 has 96 divisors (see below), whose sum is σ = 137134080. Its totient is φ = 34003200.

The previous prime is 72886423. The next prime is 72886439. The reversal of 72886425 is 52468827.

It is a happy number.

It is not a de Polignac number, because 72886425 - 2¹ = 72886423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72886423) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1550752 + ... + 1550798.

It is an arithmetic number, because the mean of its divisors is an integer number (1428480).

Almost surely, 2^72886425 is an apocalyptic number.

72886425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72886425 is a deficient number, since it is larger than the sum of its proper divisors (64247655).

72886425 is a wasteful number, since it uses less digits than its factorization.

72886425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 138 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 72886425 is about 8537.3546839756. The cubic root of 72886425 is about 417.7170635519.

It can be divided in two parts, 728 and 86425, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 72886425 in words is "seventy-two million, eight hundred eighty-six thousand, four hundred twenty-five".