87375742 has 16 divisors (see below), whose sum is σ = 134394480. Its totient is φ = 42581952.

The previous prime is 87375731. The next prime is 87375749. The reversal of 87375742 is 24757378.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87375749) 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, 60258 + ... + 61690.

It is an arithmetic number, because the mean of its divisors is an integer number (8399655).

Almost surely, 2^87375742 is an apocalyptic number.

87375742 is a deficient number, since it is larger than the sum of its proper divisors (47018738).

87375742 is a wasteful number, since it uses less digits than its factorization.

87375742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187.

The product of its digits is 329280, while the sum is 43.

The square root of 87375742 is about 9347.4992377641. The cubic root of 87375742 is about 443.7417505046.

The spelling of 87375742 in words is "eighty-seven million, three hundred seventy-five thousand, seven hundred forty-two".