7422694690 has 32 divisors (see below), whose sum is σ = 13752036144. Its totient is φ = 2882499840.

The previous prime is 7422694639. The next prime is 7422694693. The reversal of 7422694690 is 964962247.

It can be written as a sum of positive squares in 8 ways, for example, as 1508623281 + 5914071409 = 38841^2 + 76903^2 .

It is a super-2 number, since 2×7422694690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7422694693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148812 + ... + 192328.

Almost surely, 2^7422694690 is an apocalyptic number.

7422694690 is a deficient number, since it is larger than the sum of its proper divisors (6329341454).

7422694690 is a wasteful number, since it uses less digits than its factorization.

7422694690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44022.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 7422694690 is about 86155.0618942381. The cubic root of 7422694690 is about 1950.6852459120.

The spelling of 7422694690 in words is "seven billion, four hundred twenty-two million, six hundred ninety-four thousand, six hundred ninety".