740673897 has 16 divisors (see below), whose sum is σ = 1017334080. Its totient is φ = 479033600.

The previous prime is 740673889. The next prime is 740673937. The reversal of 740673897 is 798376047.

It is a cyclic number.

It is not a de Polignac number, because 740673897 - 2³ = 740673889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (740673847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5197 + ... + 38837.

It is an arithmetic number, because the mean of its divisors is an integer number (63583380).

Almost surely, 2^740673897 is an apocalyptic number.

It is an amenable number.

740673897 is a deficient number, since it is larger than the sum of its proper divisors (276660183).

740673897 is a wasteful number, since it uses less digits than its factorization.

740673897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33864.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The square root of 740673897 is about 27215.3246719564. The cubic root of 740673897 is about 904.7786551055.

The spelling of 740673897 in words is "seven hundred forty million, six hundred seventy-three thousand, eight hundred ninety-seven".