7261990 has 32 divisors (see below), whose sum is σ = 14145120. Its totient is φ = 2674944.

The previous prime is 7261981. The next prime is 7261999. The reversal of 7261990 is 991627.

It is an interprime number because it is at equal distance from previous prime (7261981) and next prime (7261999).

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7261999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6514 + ... + 7546.

It is an arithmetic number, because the mean of its divisors is an integer number (442035).

Almost surely, 2^7261990 is an apocalyptic number.

7261990 is a deficient number, since it is larger than the sum of its proper divisors (6883130).

7261990 is a wasteful number, since it uses less digits than its factorization.

7261990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 7261990 is about 2694.8079708951. The cubic root of 7261990 is about 193.6504670871.

The spelling of 7261990 in words is "seven million, two hundred sixty-one thousand, nine hundred ninety".