7261994 has 4 divisors (see below), whose sum is σ = 10892994. Its totient is φ = 3630996.

The previous prime is 7261981. The next prime is 7261999. The reversal of 7261994 is 4991627.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7219969 + 42025 = 2687^2 + 205^2 .

It is an Ulam 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 as a sum of consecutive naturals, namely, 1815497 + ... + 1815500.

Almost surely, 2^7261994 is an apocalyptic number.

7261994 is a deficient number, since it is larger than the sum of its proper divisors (3631000).

7261994 is a wasteful number, since it uses less digits than its factorization.

7261994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630999.

The product of its digits is 27216, while the sum is 38.

The square root of 7261994 is about 2694.8087130630. The cubic root of 7261994 is about 193.6505026422.

The spelling of 7261994 in words is "seven million, two hundred sixty-one thousand, nine hundred ninety-four".