7402830642 has 48 divisors (see below), whose sum is σ = 16989927552. Its totient is φ = 2321504640.

The previous prime is 7402830641. The next prime is 7402830649. The reversal of 7402830642 is 2460382047.

7402830642 is a `hidden beast` number, since 7 + 4 + 0 + 2 + 8 + 3 + 0 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7402830597 and 7402830606.

It is not an unprimeable number, because it can be changed into a prime (7402830641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1321267 + ... + 1326857.

It is an arithmetic number, because the mean of its divisors is an integer number (353956824).

Almost surely, 2^7402830642 is an apocalyptic number.

7402830642 is an abundant number, since it is smaller than the sum of its proper divisors (9587096910).

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

7402830642 is a wasteful number, since it uses less digits than its factorization.

7402830642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943 (or 9940 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 7402830642 is about 86039.7038697833. The cubic root of 7402830642 is about 1948.9435997973.

It can be divided in two parts, 740 and 2830642, that added together give a palindrome (2831382).

The spelling of 7402830642 in words is "seven billion, four hundred two million, eight hundred thirty thousand, six hundred forty-two".