749100540 has 48 divisors (see below), whose sum is σ = 2121063840. Its totient is φ = 197514240.

The previous prime is 749100509. The next prime is 749100559. The reversal of 749100540 is 45001947.

It is a happy number.

It is a super-2 number, since 2×749100540² = 1122303238056583200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 749100498 and 749100507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64801 + ... + 75480.

It is an arithmetic number, because the mean of its divisors is an integer number (44188830).

Almost surely, 2^749100540 is an apocalyptic number.

It is an amenable number.

749100540 is an abundant number, since it is smaller than the sum of its proper divisors (1371963300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749100540 is a wasteful number, since it uses less digits than its factorization.

749100540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140382 (or 140380 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 749100540 is about 27369.7011309952. The cubic root of 749100540 is about 908.1969450599.

The spelling of 749100540 in words is "seven hundred forty-nine million, one hundred thousand, five hundred forty".