75678930 has 48 divisors (see below), whose sum is σ = 200962944. Its totient is φ = 19750560.

The previous prime is 75678923. The next prime is 75678931. The reversal of 75678930 is 3987657.

It is a happy number.

75678930 is a `hidden beast` number, since 7 + 567 + 89 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (75678931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4716 + ... + 13175.

It is an arithmetic number, because the mean of its divisors is an integer number (4186728).

Almost surely, 2^75678930 is an apocalyptic number.

75678930 is an abundant number, since it is smaller than the sum of its proper divisors (125284014).

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

75678930 is a wasteful number, since it uses less digits than its factorization.

75678930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17951 (or 17948 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 75678930 is about 8699.3637698397. The cubic root of 75678930 is about 422.9850270508.

The spelling of 75678930 in words is "seventy-five million, six hundred seventy-eight thousand, nine hundred thirty".