87473420 has 48 divisors (see below), whose sum is σ = 187790400. Its totient is φ = 34218240.

The previous prime is 87473401. The next prime is 87473429. The reversal of 87473420 is 2437478.

It is not an unprimeable number, because it can be changed into a prime (87473429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325046 + ... + 325314.

It is an arithmetic number, because the mean of its divisors is an integer number (3912300).

Almost surely, 2^87473420 is an apocalyptic number.

It is an amenable number.

87473420 is an abundant number, since it is smaller than the sum of its proper divisors (100316980).

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

87473420 is a wasteful number, since it uses less digits than its factorization.

87473420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 87473420 is about 9352.7225982598. The cubic root of 87473420 is about 443.9070430075.

It can be divided in two parts, 8747 and 3420, that added together give a cube (12167 = 23³).

The spelling of 87473420 in words is "eighty-seven million, four hundred seventy-three thousand, four hundred twenty".