87041972 has 24 divisors (see below), whose sum is σ = 162207360. Its totient is φ = 40726400.

The previous prime is 87041971. The next prime is 87041993. The reversal of 87041972 is 27914078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87041971) 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, 8597 + ... + 15747.

It is an arithmetic number, because the mean of its divisors is an integer number (6758640).

Almost surely, 2^87041972 is an apocalyptic number.

It is an amenable number.

87041972 is a deficient number, since it is larger than the sum of its proper divisors (75165388).

87041972 is a wasteful number, since it uses less digits than its factorization.

87041972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351 (or 7349 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 87041972 is about 9329.6287171570. The cubic root of 87041972 is about 443.1760073919.

The spelling of 87041972 in words is "eighty-seven million, forty-one thousand, nine hundred seventy-two".