7474606861 has 4 divisors (see below), whose sum is σ = 7799589792. Its totient is φ = 7149623932.

The previous prime is 7474606823. The next prime is 7474606889. The reversal of 7474606861 is 1686064747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7474606861 - 2¹³ = 7474598669 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7474606361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162491431 + ... + 162491476.

It is an arithmetic number, because the mean of its divisors is an integer number (1949897448).

Almost surely, 2^7474606861 is an apocalyptic number.

It is an amenable number.

7474606861 is a deficient number, since it is larger than the sum of its proper divisors (324982931).

7474606861 is a wasteful number, since it uses less digits than its factorization.

7474606861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324982930.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 7474606861 is about 86455.8087175176. The cubic root of 7474606861 is about 1955.2221942934. Note that the first 3 decimals are identical.

The spelling of 7474606861 in words is "seven billion, four hundred seventy-four million, six hundred six thousand, eight hundred sixty-one".