87073494 has 16 divisors (see below), whose sum is σ = 175051632. Its totient is φ = 28873728.

The previous prime is 87073487. The next prime is 87073499. The reversal of 87073494 is 49437078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87073499) 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, 36439 + ... + 38754.

It is an arithmetic number, because the mean of its divisors is an integer number (10940727).

Almost surely, 2^87073494 is an apocalyptic number.

87073494 is an abundant number, since it is smaller than the sum of its proper divisors (87978138).

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

87073494 is a wasteful number, since it uses less digits than its factorization.

87073494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75391.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 87073494 is about 9331.3179133496. The cubic root of 87073494 is about 443.2294992410.

The spelling of 87073494 in words is "eighty-seven million, seventy-three thousand, four hundred ninety-four".