749015 has 4 divisors (see below), whose sum is σ = 898824. Its totient is φ = 599208.

The previous prime is 749011. The next prime is 749027. The reversal of 749015 is 510947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510947 = 599 ⋅853.

It is a cyclic number.

It is not a de Polignac number, because 749015 - 2² = 749011 is a prime.

It is a super-2 number, since 2×749015² = 1122046940450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749011) 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, 74897 + ... + 74906.

It is an arithmetic number, because the mean of its divisors is an integer number (224706).

2⁷⁴⁹⁰¹⁵ is an apocalyptic number.

749015 is a deficient number, since it is larger than the sum of its proper divisors (149809).

749015 is a wasteful number, since it uses less digits than its factorization.

749015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149808.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 749015 is about 865.4565269267. The cubic root of 749015 is about 90.8162374656.

The spelling of 749015 in words is "seven hundred forty-nine thousand, fifteen".