7302981 has 16 divisors (see below), whose sum is σ = 11312768. Its totient is φ = 4104000.

The previous prime is 7302943. The next prime is 7303003. The reversal of 7302981 is 1892037.

It is a happy number.

It is not a de Polignac number, because 7302981 - 2⁶ = 7302917 is a prime.

It is a super-2 number, since 2×7302981² = 106667062972722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7302901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1570 + ... + 4131.

It is an arithmetic number, because the mean of its divisors is an integer number (707048).

Almost surely, 2^7302981 is an apocalyptic number.

It is an amenable number.

7302981 is a deficient number, since it is larger than the sum of its proper divisors (4009787).

7302981 is a wasteful number, since it uses less digits than its factorization.

7302981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 7302981 is about 2702.4028197143. The cubic root of 7302981 is about 194.0141432279.

The spelling of 7302981 in words is "seven million, three hundred two thousand, nine hundred eighty-one".