87814730 has 8 divisors (see below), whose sum is σ = 158066532. Its totient is φ = 35125888.

The previous prime is 87814721. The next prime is 87814757. The reversal of 87814730 is 3741878.

It can be written as a sum of positive squares in 2 ways, for example, as 83850649 + 3964081 = 9157^2 + 1991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87814730² = 15422853609945800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390727 + ... + 4390746.

Almost surely, 2^87814730 is an apocalyptic number.

87814730 is a deficient number, since it is larger than the sum of its proper divisors (70251802).

87814730 is a wasteful number, since it uses less digits than its factorization.

87814730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781480.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 87814730 is about 9370.9513924681. The cubic root of 87814730 is about 444.4836497128.

The spelling of 87814730 in words is "eighty-seven million, eight hundred fourteen thousand, seven hundred thirty".