624465742 has 12 divisors (see below), whose sum is σ = 988594416. Its totient is φ = 295799220.

The previous prime is 624465719. The next prime is 624465749. The reversal of 624465742 is 247564426.

624465742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×624465742² = 779914925863221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 624465695 and 624465704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624465749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431734 + ... + 433177.

It is an arithmetic number, because the mean of its divisors is an integer number (82382868).

Almost surely, 2^624465742 is an apocalyptic number.

624465742 is a deficient number, since it is larger than the sum of its proper divisors (364128674).

624465742 is a wasteful number, since it uses less digits than its factorization.

624465742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864951 (or 864932 counting only the distinct ones).

The product of its digits is 322560, while the sum is 40.

The square root of 624465742 is about 24989.3125555706. The cubic root of 624465742 is about 854.7442856682.

The spelling of 624465742 in words is "six hundred twenty-four million, four hundred sixty-five thousand, seven hundred forty-two".