740072693 has 4 divisors (see below), whose sum is σ = 740158560. Its totient is φ = 739986828.

The previous prime is 740072677. The next prime is 740072701. The reversal of 740072693 is 396270047.

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 740072693 - 2⁴ = 740072677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740072623) 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, 28355 + ... + 47792.

It is an arithmetic number, because the mean of its divisors is an integer number (185039640).

Almost surely, 2^740072693 is an apocalyptic number.

It is an amenable number.

740072693 is a deficient number, since it is larger than the sum of its proper divisors (85867).

740072693 is an equidigital number, since it uses as much as digits as its factorization.

740072693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85866.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 740072693 is about 27204.2771085725. The cubic root of 740072693 is about 904.5337863036.

The spelling of 740072693 in words is "seven hundred forty million, seventy-two thousand, six hundred ninety-three".