749142 has 16 divisors (see below), whose sum is σ = 1664880. Its totient is φ = 249696.

The previous prime is 749137. The next prime is 749143. The reversal of 749142 is 241947.

It is a happy number.

It is a super-2 number, since 2×749142² = 1122427472328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6883 + ... + 6990.

It is an arithmetic number, because the mean of its divisors is an integer number (104055).

2⁷⁴⁹¹⁴² is an apocalyptic number.

749142 is an abundant number, since it is smaller than the sum of its proper divisors (915738).

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

749142 is a wasteful number, since it uses less digits than its factorization.

749142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13884 (or 13878 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 749142 is about 865.5298954976. The cubic root of 749142 is about 90.8213699887.

It can be divided in two parts, 74 and 9142, that added together give a square (9216 = 96²).

The spelling of 749142 in words is "seven hundred forty-nine thousand, one hundred forty-two".