749286090 has 96 divisors (see below), whose sum is σ = 2343669120. Its totient is φ = 162248832.

The previous prime is 749286077. The next prime is 749286107. The reversal of 749286090 is 90682947.

It is a happy number.

It is a super-2 number, since 2×749286090² = 1122859289334976200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19329 + ... + 43268.

It is an arithmetic number, because the mean of its divisors is an integer number (24413220).

Almost surely, 2^749286090 is an apocalyptic number.

749286090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

749286090 is an abundant number, since it is smaller than the sum of its proper divisors (1594383030).

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

749286090 is a wasteful number, since it uses less digits than its factorization.

749286090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62636 (or 62633 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 749286090 is about 27373.0906183427. The cubic root of 749286090 is about 908.2719247733.

It can be divided in two parts, 74928 and 6090, that added together give a palindrome (81018).

The spelling of 749286090 in words is "seven hundred forty-nine million, two hundred eighty-six thousand, ninety".