87202742 has 32 divisors (see below), whose sum is σ = 151027200. Its totient is φ = 37346400.

The previous prime is 87202691. The next prime is 87202751. The reversal of 87202742 is 24720278.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 87202699 and 87202708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95267 + ... + 96177.

It is an arithmetic number, because the mean of its divisors is an integer number (4719600).

Almost surely, 2^87202742 is an apocalyptic number.

87202742 is a deficient number, since it is larger than the sum of its proper divisors (63824458).

87202742 is a wasteful number, since it uses less digits than its factorization.

87202742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 87202742 is about 9338.2408407580. The cubic root of 87202742 is about 443.4486941705.

The spelling of 87202742 in words is "eighty-seven million, two hundred two thousand, seven hundred forty-two".