7365981 has 32 divisors (see below), whose sum is σ = 12165120. Its totient is φ = 3868416.

The previous prime is 7365979. The next prime is 7365983. The reversal of 7365981 is 1895637.

It is an interprime number because it is at equal distance from previous prime (7365979) and next prime (7365983).

It is not a de Polignac number, because 7365981 - 2¹ = 7365979 is a prime.

It is a super-2 number, since 2×7365981² = 108515352184722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7365983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16560 + ... + 16998.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^7365981 is an apocalyptic number.

It is an amenable number.

7365981 is a deficient number, since it is larger than the sum of its proper divisors (4799139).

7365981 is a wasteful number, since it uses less digits than its factorization.

7365981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its digits is 45360, while the sum is 39.

The square root of 7365981 is about 2714.0340823210. The cubic root of 7365981 is about 194.5704416819.

The spelling of 7365981 in words is "seven million, three hundred sixty-five thousand, nine hundred eighty-one".