740623197 has 4 divisors (see below), whose sum is σ = 987497600. Its totient is φ = 493748796.

The previous prime is 740623187. The next prime is 740623243. The reversal of 740623197 is 791326047.

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 not a de Polignac number, because 740623197 - 2⁴ = 740623181 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 (740623127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123437197 + ... + 123437202.

It is an arithmetic number, because the mean of its divisors is an integer number (246874400).

Almost surely, 2^740623197 is an apocalyptic number.

It is an amenable number.

740623197 is a deficient number, since it is larger than the sum of its proper divisors (246874403).

740623197 is a wasteful number, since it uses less digits than its factorization.

740623197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246874402.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 740623197 is about 27214.3931955133. The cubic root of 740623197 is about 904.7580102465.

It can be divided in two parts, 7406 and 23197, that added together give a palindrome (30603).

The spelling of 740623197 in words is "seven hundred forty million, six hundred twenty-three thousand, one hundred ninety-seven".