740975662081 has 4 divisors (see below), whose sum is σ = 741612787632. Its totient is φ = 740338536532.

The previous prime is 740975662073. The next prime is 740975662087. The reversal of 740975662081 is 180266579047.

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 740975662081 - 2³ = 740975662073 is a prime.

It is a super-2 number, since 2×740975662081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740975662087) 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, 318561031 + ... + 318563356.

It is an arithmetic number, because the mean of its divisors is an integer number (185403196908).

Almost surely, 2^740975662081 is an apocalyptic number.

It is an amenable number.

740975662081 is a deficient number, since it is larger than the sum of its proper divisors (637125551).

740975662081 is a wasteful number, since it uses less digits than its factorization.

740975662081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637125550.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 740975662081 in words is "seven hundred forty billion, nine hundred seventy-five million, six hundred sixty-two thousand, eighty-one".