7492923901 has 4 divisors (see below), whose sum is σ = 7496393404. Its totient is φ = 7489454400.

The previous prime is 7492923883. The next prime is 7492923943. The reversal of 7492923901 is 1093292947.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4903640676 + 2589283225 = 70026^2 + 50885^2 .

It is a cyclic number.

It is not a de Polignac number, because 7492923901 - 2⁷ = 7492923773 is a prime.

It is a super-2 number, since 2×7492923901² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492927901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731510 + ... + 1735831.

It is an arithmetic number, because the mean of its divisors is an integer number (1874098351).

Almost surely, 2^7492923901 is an apocalyptic number.

It is an amenable number.

7492923901 is a deficient number, since it is larger than the sum of its proper divisors (3469503).

7492923901 is a wasteful number, since it uses less digits than its factorization.

7492923901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469502.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 7492923901 is about 86561.6768610683. The cubic root of 7492923901 is about 1956.8180270809.

The spelling of 7492923901 in words is "seven billion, four hundred ninety-two million, nine hundred twenty-three thousand, nine hundred one".