7450390 has 32 divisors (see below), whose sum is σ = 14489280. Its totient is φ = 2749824.

The previous prime is 7450351. The next prime is 7450409. The reversal of 7450390 is 930547.

It is a super-2 number, since 2×7450390² = 111016622304200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6112 + ... + 7228.

It is an arithmetic number, because the mean of its divisors is an integer number (452790).

Almost surely, 2^7450390 is an apocalyptic number.

7450390 is a deficient number, since it is larger than the sum of its proper divisors (7038890).

7450390 is a wasteful number, since it uses less digits than its factorization.

7450390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 7450390 is about 2729.5402543286. The cubic root of 7450390 is about 195.3108345245.

The spelling of 7450390 in words is "seven million, four hundred fifty thousand, three hundred ninety".