87472346 has 16 divisors (see below), whose sum is σ = 141760584. Its totient is φ = 40240704.

The previous prime is 87472339. The next prime is 87472349. The reversal of 87472346 is 64327478.

It can be written as a sum of positive squares in 4 ways, for example, as 68244121 + 19228225 = 8261^2 + 4385^2 .

It is a super-2 number, since 2×87472346² = 15302822629487432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87472349) 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, 2936 + ... + 13548.

Almost surely, 2^87472346 is an apocalyptic number.

87472346 is a deficient number, since it is larger than the sum of its proper divisors (54288238).

87472346 is a wasteful number, since it uses less digits than its factorization.

87472346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945.

The product of its digits is 225792, while the sum is 41.

The square root of 87472346 is about 9352.6651816474. The cubic root of 87472346 is about 443.9052262342.

The spelling of 87472346 in words is "eighty-seven million, four hundred seventy-two thousand, three hundred forty-six".