7407433681 has 8 divisors (see below), whose sum is σ = 7864542720. Its totient is φ = 6952699968.

The previous prime is 7407433597. The next prime is 7407433697. The reversal of 7407433681 is 1863347047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7407433681 - 2²¹ = 7405336529 is a prime.

It is a super-2 number, since 2×7407433681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7407433381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587401 + ... + 599878.

It is an arithmetic number, because the mean of its divisors is an integer number (983067840).

Almost surely, 2^7407433681 is an apocalyptic number.

It is an amenable number.

7407433681 is a deficient number, since it is larger than the sum of its proper divisors (457109039).

7407433681 is a wasteful number, since it uses less digits than its factorization.

7407433681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187663.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 7407433681 is about 86066.4492180315. The cubic root of 7407433681 is about 1949.3474635394.

The spelling of 7407433681 in words is "seven billion, four hundred seven million, four hundred thirty-three thousand, six hundred eighty-one".