87412726 has 4 divisors (see below), whose sum is σ = 131119092. Its totient is φ = 43706362.

The previous prime is 87412723. The next prime is 87412727. The reversal of 87412726 is 62721478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62721478 = 2 ⋅31360739.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87412723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21853180 + ... + 21853183.

It is an arithmetic number, because the mean of its divisors is an integer number (32779773).

Almost surely, 2^87412726 is an apocalyptic number.

87412726 is a deficient number, since it is larger than the sum of its proper divisors (43706366).

87412726 is a wasteful number, since it uses less digits than its factorization.

87412726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43706365.

The product of its digits is 37632, while the sum is 37.

The square root of 87412726 is about 9349.4773115934. The cubic root of 87412726 is about 443.8043499918.

The spelling of 87412726 in words is "eighty-seven million, four hundred twelve thousand, seven hundred twenty-six".