740673623 has 8 divisors (see below), whose sum is σ = 775735296. Its totient is φ = 705850200.

The previous prime is 740673617. The next prime is 740673631. The reversal of 740673623 is 326376047.

It is a happy number.

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 740673623 - 2²⁸ = 472238167 is a prime.

It is a super-2 number, since 2×740673623² = 1097194831615892258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740673643) 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, 53183 + ... + 65648.

It is an arithmetic number, because the mean of its divisors is an integer number (96966912).

Almost surely, 2^740673623 is an apocalyptic number.

740673623 is a deficient number, since it is larger than the sum of its proper divisors (35061673).

740673623 is a wasteful number, since it uses less digits than its factorization.

740673623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119125.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 740673623 is about 27215.3196380274. The cubic root of 740673623 is about 904.7785435362.

The spelling of 740673623 in words is "seven hundred forty million, six hundred seventy-three thousand, six hundred twenty-three".