740566438 has 4 divisors (see below), whose sum is σ = 1110849660. Its totient is φ = 370283218.

The previous prime is 740566429. The next prime is 740566447. The reversal of 740566438 is 834665047.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (740566429) and next prime (740566447).

It is a junction number, because it is equal to n+sod(n) for n = 740566394 and 740566403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185141608 + ... + 185141611.

It is an arithmetic number, because the mean of its divisors is an integer number (277712415).

Almost surely, 2^740566438 is an apocalyptic number.

740566438 is a deficient number, since it is larger than the sum of its proper divisors (370283222).

740566438 is a wasteful number, since it uses less digits than its factorization.

740566438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370283221.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 740566438 is about 27213.3503633786. The cubic root of 740566438 is about 904.7348970665.

The spelling of 740566438 in words is "seven hundred forty million, five hundred sixty-six thousand, four hundred thirty-eight".