764248542 has 32 divisors (see below), whose sum is σ = 1623952800. Its totient is φ = 239315328.

The previous prime is 764248489. The next prime is 764248543. The reversal of 764248542 is 245842467.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 764248494 and 764248503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764248543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52917 + ... + 65792.

It is an arithmetic number, because the mean of its divisors is an integer number (50748525).

Almost surely, 2^764248542 is an apocalyptic number.

764248542 is an abundant number, since it is smaller than the sum of its proper divisors (859704258).

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

764248542 is a wasteful number, since it uses less digits than its factorization.

764248542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118780.

The product of its digits is 430080, while the sum is 42.

The square root of 764248542 is about 27645.0455235653. The cubic root of 764248542 is about 914.2778667318.

The spelling of 764248542 in words is "seven hundred sixty-four million, two hundred forty-eight thousand, five hundred forty-two".