7401491 has 8 divisors (see below), whose sum is σ = 7569600. Its totient is φ = 7234920.

The previous prime is 7401479. The next prime is 7401497. The reversal of 7401491 is 1941047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7401491 - 2¹⁰ = 7400467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7401491.

It is not an unprimeable number, because it can be changed into a prime (7401497) 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, 19340 + ... + 19718.

It is an arithmetic number, because the mean of its divisors is an integer number (946200).

Almost surely, 2^7401491 is an apocalyptic number.

7401491 is a deficient number, since it is larger than the sum of its proper divisors (168109).

7401491 is a wasteful number, since it uses less digits than its factorization.

7401491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7401491 is about 2720.5681391945. The cubic root of 7401491 is about 194.8826030166.

The spelling of 7401491 in words is "seven million, four hundred one thousand, four hundred ninety-one".