7349981 has 4 divisors (see below), whose sum is σ = 7425852. Its totient is φ = 7274112.

The previous prime is 7349959. The next prime is 7349983. The reversal of 7349981 is 1899437.

It is a happy number.

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 1144900 + 6205081 = 1070^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 7349981 - 2⁶ = 7349917 is a prime.

It is a super-2 number, since 2×7349981² = 108044441400722, 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 (7349983) 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, 37790 + ... + 37983.

It is an arithmetic number, because the mean of its divisors is an integer number (1856463).

Almost surely, 2^7349981 is an apocalyptic number.

It is an amenable number.

7349981 is a deficient number, since it is larger than the sum of its proper divisors (75871).

7349981 is an equidigital number, since it uses as much as digits as its factorization.

7349981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75870.

The product of its digits is 54432, while the sum is 41.

The square root of 7349981 is about 2711.0848382151. The cubic root of 7349981 is about 194.4294609649.

The spelling of 7349981 in words is "seven million, three hundred forty-nine thousand, nine hundred eighty-one".