749101947 has 16 divisors (see below), whose sum is σ = 1110163968. Its totient is φ = 445434080.

The previous prime is 749101907. The next prime is 749101967.

749101947 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 749101947 - 2¹² = 749097851 is a prime.

It is a super-2 number, since 2×749101947² = 1122307453998381618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749101899 and 749101908.

It is not an unprimeable number, because it can be changed into a prime (749101907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212403 + ... + 215900.

It is an arithmetic number, because the mean of its divisors is an integer number (69385248).

Almost surely, 2^749101947 is an apocalyptic number.

749101947 is a deficient number, since it is larger than the sum of its proper divisors (361062021).

749101947 is a wasteful number, since it uses less digits than its factorization.

749101947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428370.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 749101947 is about 27369.7268345886. The cubic root of 749101947 is about 908.1975136673.

The spelling of 749101947 in words is "seven hundred forty-nine million, one hundred one thousand, nine hundred forty-seven".