749050947 has 18 divisors (see below), whose sum is σ = 1120569372. Its totient is φ = 482142864.

The previous prime is 749050937. The next prime is 749050969.

749050947 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 749050947 - 2⁴ = 749050931 is a prime.

It is a super-2 number, since 2×749050947² = 1122154642403193618, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (749050937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41913 + ... + 57050.

It is an arithmetic number, because the mean of its divisors is an integer number (62253854).

Almost surely, 2^749050947 is an apocalyptic number.

749050947 is a deficient number, since it is larger than the sum of its proper divisors (371518425).

749050947 is a wasteful number, since it uses less digits than its factorization.

749050947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99027 (or 98995 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 749050947 is about 27368.7951324131. The cubic root of 749050947 is about 908.1769027101.

The spelling of 749050947 in words is "seven hundred forty-nine million, fifty thousand, nine hundred forty-seven".