87403474 has 4 divisors (see below), whose sum is σ = 131105214. Its totient is φ = 43701736.

The previous prime is 87403469. The next prime is 87403483. The reversal of 87403474 is 47430478.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 86620249 + 783225 = 9307^2 + 885^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21850867 + ... + 21850870.

Almost surely, 2^87403474 is an apocalyptic number.

87403474 is a deficient number, since it is larger than the sum of its proper divisors (43701740).

87403474 is a wasteful number, since it uses less digits than its factorization.

87403474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43701739.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 87403474 is about 9348.9825114822. The cubic root of 87403474 is about 443.7886916207.

The spelling of 87403474 in words is "eighty-seven million, four hundred three thousand, four hundred seventy-four".