740407066667 has 4 divisors (see below), whose sum is σ = 740422234320. Its totient is φ = 740391899016.

The previous prime is 740407066657. The next prime is 740407066673. The reversal of 740407066667 is 766660704047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740407066667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740407066627) 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, 7510367 + ... + 7608312.

It is an arithmetic number, because the mean of its divisors is an integer number (185105558580).

Almost surely, 2^740407066667 is an apocalyptic number.

740407066667 is a deficient number, since it is larger than the sum of its proper divisors (15167653).

740407066667 is a wasteful number, since it uses less digits than its factorization.

740407066667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15167652.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 740407066667 in words is "seven hundred forty billion, four hundred seven million, sixty-six thousand, six hundred sixty-seven".