76542492 has 96 divisors (see below), whose sum is σ = 201096000. Its totient is φ = 22505472.

The previous prime is 76542491. The next prime is 76542509. The reversal of 76542492 is 29424567.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 76542492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76542491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513634 + ... + 513782.

It is an arithmetic number, because the mean of its divisors is an integer number (2094750).

Almost surely, 2^76542492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76542492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100548000).

76542492 is an abundant number, since it is smaller than the sum of its proper divisors (124553508).

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

76542492 is a wasteful number, since it uses less digits than its factorization.

76542492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 293 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 76542492 is about 8748.8566110092. The cubic root of 76542492 is about 424.5878209149.

The spelling of 76542492 in words is "seventy-six million, five hundred forty-two thousand, four hundred ninety-two".