87343974 has 32 divisors (see below), whose sum is σ = 194473440. Its totient is φ = 29058336.

The previous prime is 87343973. The next prime is 87344017. The reversal of 87343974 is 47934378.

It is a happy number.

It is a super-2 number, since 2×87343974² = 15257939588225352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87343973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34024 + ... + 36500.

It is an arithmetic number, because the mean of its divisors is an integer number (6077295).

Almost surely, 2^87343974 is an apocalyptic number.

87343974 is an abundant number, since it is smaller than the sum of its proper divisors (107129466).

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

87343974 is a wasteful number, since it uses less digits than its factorization.

87343974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3135 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 87343974 is about 9345.7998052601. The cubic root of 87343974 is about 443.6879655662.

The spelling of 87343974 in words is "eighty-seven million, three hundred forty-three thousand, nine hundred seventy-four".