749100001 has 4 divisors (see below), whose sum is σ = 806723092. Its totient is φ = 691476912.

The previous prime is 749099987. The next prime is 749100029. The reversal of 749100001 is 100001947.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30913600 + 718186401 = 5560^2 + 26799^2 .

It is a cyclic number.

It is not a de Polignac number, because 749100001 - 2⁵ = 749099969 is a prime.

It is a super-2 number, since 2×749100001² = 1122301622996400002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749100091) 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, 28811526 + ... + 28811551.

It is an arithmetic number, because the mean of its divisors is an integer number (201680773).

Almost surely, 2^749100001 is an apocalyptic number.

It is an amenable number.

749100001 is a deficient number, since it is larger than the sum of its proper divisors (57623091).

749100001 is a wasteful number, since it uses less digits than its factorization.

749100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57623090.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 749100001 is about 27369.6912843386. The cubic root of 749100001 is about 908.1967272350.

Adding to 749100001 its reverse (100001947), we get a palindrome (849101948).

The spelling of 749100001 in words is "seven hundred forty-nine million, one hundred thousand, one".