7391481 has 8 divisors (see below), whose sum is σ = 10435104. Its totient is φ = 4637760.

The previous prime is 7391473. The next prime is 7391519. The reversal of 7391481 is 1841937.

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

It is not a de Polignac number, because 7391481 - 2³ = 7391473 is a prime.

It is a super-2 number, since 2×7391481² = 109267982746722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7391401) 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, 72415 + ... + 72516.

It is an arithmetic number, because the mean of its divisors is an integer number (1304388).

Almost surely, 2^7391481 is an apocalyptic number.

It is an amenable number.

7391481 is a deficient number, since it is larger than the sum of its proper divisors (3043623).

7391481 is a wasteful number, since it uses less digits than its factorization.

7391481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144951.

The product of its digits is 6048, while the sum is 33.

The square root of 7391481 is about 2718.7278274958. The cubic root of 7391481 is about 194.7947083412.

The spelling of 7391481 in words is "seven million, three hundred ninety-one thousand, four hundred eighty-one".