87792730 has 16 divisors (see below), whose sum is σ = 166344480. Its totient is φ = 33268752.

The previous prime is 87792721. The next prime is 87792739. The reversal of 87792730 is 3729778.

It is an interprime number because it is at equal distance from previous prime (87792721) and next prime (87792739).

It is not an unprimeable number, because it can be changed into a prime (87792739) 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, 230844 + ... + 231223.

It is an arithmetic number, because the mean of its divisors is an integer number (10396530).

Almost surely, 2^87792730 is an apocalyptic number.

87792730 is a deficient number, since it is larger than the sum of its proper divisors (78551750).

87792730 is a wasteful number, since it uses less digits than its factorization.

87792730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462093.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 87792730 is about 9369.7774786811. Note that the first 3 decimals coincide. The cubic root of 87792730 is about 444.4465281615.

The spelling of 87792730 in words is "eighty-seven million, seven hundred ninety-two thousand, seven hundred thirty".