76534380 has 72 divisors (see below), whose sum is σ = 250019952. Its totient is φ = 18838656.

The previous prime is 76534369. The next prime is 76534397. The reversal of 76534380 is 8343567.

It is a happy number.

It is a super-2 number, since 2×76534380² = 11715022643968800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14014 + ... + 18693.

Almost surely, 2^76534380 is an apocalyptic number.

It is an amenable number.

76534380 is an abundant number, since it is smaller than the sum of its proper divisors (173485572).

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

76534380 is a wasteful number, since it uses less digits than its factorization.

76534380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32735 (or 32730 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 76534380 is about 8748.3929952878. The cubic root of 76534380 is about 424.5728210632.

The spelling of 76534380 in words is "seventy-six million, five hundred thirty-four thousand, three hundred eighty".