734749399 has 8 divisors (see below), whose sum is σ = 778055040. Its totient is φ = 691907256.

The previous prime is 734749381. The next prime is 734749417. The reversal of 734749399 is 993947437.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (734749381) and next prime (734749417).

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 734749399 - 2²⁷ = 600531671 is a prime.

It is a super-2 number, since 2×734749399² = 1079713358661722402, 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 (734749319) 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, 112609 + ... + 118954.

It is an arithmetic number, because the mean of its divisors is an integer number (97256880).

Almost surely, 2^734749399 is an apocalyptic number.

734749399 is a deficient number, since it is larger than the sum of its proper divisors (43305641).

734749399 is a wasteful number, since it uses less digits than its factorization.

734749399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231749.

The product of its digits is 5143824, while the sum is 55.

The square root of 734749399 is about 27106.2612508623. The cubic root of 734749399 is about 902.3598149371.

The spelling of 734749399 in words is "seven hundred thirty-four million, seven hundred forty-nine thousand, three hundred ninety-nine".