749453149 has 8 divisors (see below), whose sum is σ = 768731040. Its totient is φ = 730259376.

The previous prime is 749453129. The next prime is 749453189. The reversal of 749453149 is 941354947.

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 749453149 - 2⁷ = 749453021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749453099 and 749453108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749453129) 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, 2782 + ... + 38815.

It is an arithmetic number, because the mean of its divisors is an integer number (96091380).

Almost surely, 2^749453149 is an apocalyptic number.

It is an amenable number.

749453149 is a deficient number, since it is larger than the sum of its proper divisors (19277891).

749453149 is a wasteful number, since it uses less digits than its factorization.

749453149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42059.

The product of its digits is 544320, while the sum is 46.

The square root of 749453149 is about 27376.1419670486. The cubic root of 749453149 is about 908.3394217886.

The spelling of 749453149 in words is "seven hundred forty-nine million, four hundred fifty-three thousand, one hundred forty-nine".