1299744734 has 8 divisors (see below), whose sum is σ = 1953448920. Its totient is φ = 648595096.

The previous prime is 1299744701. The next prime is 1299744739. The reversal of 1299744734 is 4374479921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299744739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637364 + ... + 639399.

It is an arithmetic number, because the mean of its divisors is an integer number (244181115).

Almost surely, 2^1299744734 is an apocalyptic number.

1299744734 is a deficient number, since it is larger than the sum of its proper divisors (653704186).

1299744734 is a wasteful number, since it uses less digits than its factorization.

1299744734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277274.

The product of its digits is 1524096, while the sum is 50.

The square root of 1299744734 is about 36051.9726783431. The cubic root of 1299744734 is about 1091.3214436425.

The spelling of 1299744734 in words is "one billion, two hundred ninety-nine million, seven hundred forty-four thousand, seven hundred thirty-four".