87242634 has 24 divisors (see below), whose sum is σ = 197245152. Its totient is φ = 27816360.

The previous prime is 87242621. The next prime is 87242647. The reversal of 87242634 is 43624278.

It is an interprime number because it is at equal distance from previous prime (87242621) and next prime (87242647).

It is a super-2 number, since 2×87242634² = 15222554374515912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104952 + ... + 105779.

It is an arithmetic number, because the mean of its divisors is an integer number (8218548).

Almost surely, 2^87242634 is an apocalyptic number.

87242634 is an abundant number, since it is smaller than the sum of its proper divisors (110002518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87242634 is a wasteful number, since it uses less digits than its factorization.

87242634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210762 (or 210759 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 87242634 is about 9340.3765448723. The cubic root of 87242634 is about 443.5163042711.

The spelling of 87242634 in words is "eighty-seven million, two hundred forty-two thousand, six hundred thirty-four".