72250087 has 8 divisors (see below), whose sum is σ = 88923296. Its totient is φ = 57164832.

The previous prime is 72250081. The next prime is 72250093. The reversal of 72250087 is 78005227.

It is an interprime number because it is at equal distance from previous prime (72250081) and next prime (72250093).

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 72250087 - 2⁷ = 72249959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72250081) 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, 396888 + ... + 397069.

It is an arithmetic number, because the mean of its divisors is an integer number (11115412).

Almost surely, 2^72250087 is an apocalyptic number.

72250087 is a deficient number, since it is larger than the sum of its proper divisors (16673209).

72250087 is a wasteful number, since it uses less digits than its factorization.

72250087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793977.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 72250087 is about 8500.0051176455. The cubic root of 72250087 is about 416.4978764507.

The spelling of 72250087 in words is "seventy-two million, two hundred fifty thousand, eighty-seven".