762646542 has 32 divisors (see below), whose sum is σ = 1744214784. Its totient is φ = 217771200.

The previous prime is 762646501. The next prime is 762646561. The reversal of 762646542 is 245646267.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 762646494 and 762646503.

It is a congruent number.

It is an unprimeable number.

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, 85242 + ... + 93762.

It is an arithmetic number, because the mean of its divisors is an integer number (54506712).

Almost surely, 2^762646542 is an apocalyptic number.

762646542 is an abundant number, since it is smaller than the sum of its proper divisors (981568242).

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

762646542 is a wasteful number, since it uses less digits than its factorization.

762646542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10664.

The product of its digits is 483840, while the sum is 42.

The square root of 762646542 is about 27616.0558733502. The cubic root of 762646542 is about 913.6385905191.

The spelling of 762646542 in words is "seven hundred sixty-two million, six hundred forty-six thousand, five hundred forty-two".