7961481 has 24 divisors (see below), whose sum is σ = 12658464. Its totient is φ = 4781760.

The previous prime is 7961479. The next prime is 7961489. The reversal of 7961481 is 1841697.

It is not a de Polignac number, because 7961481 - 2¹ = 7961479 is a prime.

It is a super-2 number, since 2×7961481² = 126770359426722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (7961489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13270 + ... + 13856.

It is an arithmetic number, because the mean of its divisors is an integer number (527436).

Almost surely, 2^7961481 is an apocalyptic number.

It is an amenable number.

7961481 is a deficient number, since it is larger than the sum of its proper divisors (4696983).

7961481 is a wasteful number, since it uses less digits than its factorization.

7961481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 738 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 7961481 is about 2821.6096469923. The cubic root of 7961481 is about 199.6784917726.

The spelling of 7961481 in words is "seven million, nine hundred sixty-one thousand, four hundred eighty-one".