7401961 has 8 divisors (see below), whose sum is σ = 8688320. Its totient is φ = 6172848.

The previous prime is 7401949. The next prime is 7401971. The reversal of 7401961 is 1691047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7401961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7401971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14031 + ... + 14548.

It is an arithmetic number, because the mean of its divisors is an integer number (1086040).

Almost surely, 2^7401961 is an apocalyptic number.

It is an amenable number.

7401961 is a deficient number, since it is larger than the sum of its proper divisors (1286359).

7401961 is a wasteful number, since it uses less digits than its factorization.

7401961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28623.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 7401961 is about 2720.6545168397. The cubic root of 7401961 is about 194.8867279911.

It can be divided in two parts, 740 and 1961, that added together give a triangular number (2701 = T₇₃).

The spelling of 7401961 in words is "seven million, four hundred one thousand, nine hundred sixty-one".