7485722 has 4 divisors (see below), whose sum is σ = 11228586. Its totient is φ = 3742860.

The previous prime is 7485721. The next prime is 7485727. The reversal of 7485722 is 2275847.

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., 6507601 + 978121 = 2551^2 + 989^2 .

It is a super-2 number, since 2×7485722² = 112072067722568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7485721) 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 as a sum of consecutive naturals, namely, 1871429 + ... + 1871432.

Almost surely, 2^7485722 is an apocalyptic number.

7485722 is a deficient number, since it is larger than the sum of its proper divisors (3742864).

7485722 is a wasteful number, since it uses less digits than its factorization.

7485722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742863.

The product of its digits is 31360, while the sum is 35.

The square root of 7485722 is about 2736.0047514579. The cubic root of 7485722 is about 195.6190887509.

The spelling of 7485722 in words is "seven million, four hundred eighty-five thousand, seven hundred twenty-two".