7405949 has 8 divisors (see below), whose sum is σ = 7582848. Its totient is φ = 7230960.

The previous prime is 7405943. The next prime is 7405961. The reversal of 7405949 is 9495047.

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-7405949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7405943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9824 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (947856).

Almost surely, 2^7405949 is an apocalyptic number.

It is an amenable number.

7405949 is a deficient number, since it is larger than the sum of its proper divisors (176899).

7405949 is a wasteful number, since it uses less digits than its factorization.

7405949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 7405949 is about 2721.3873300212. The cubic root of 7405949 is about 194.9217218138.

The spelling of 7405949 in words is "seven million, four hundred five thousand, nine hundred forty-nine".