7454772 has 72 divisors (see below), whose sum is σ = 21510216. Its totient is φ = 2156544.

The previous prime is 7454767. The next prime is 7454779. The reversal of 7454772 is 2774547.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 7420176 = 186^2 + 2724^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7454779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7488 + ... + 8424.

It is an arithmetic number, because the mean of its divisors is an integer number (298753).

Almost surely, 2^7454772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7454772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10755108).

7454772 is an abundant number, since it is smaller than the sum of its proper divisors (14055444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7454772 is a wasteful number, since it uses less digits than its factorization.

7454772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 972 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 7454772 is about 2730.3428356161. The cubic root of 7454772 is about 195.3491181731.

The spelling of 7454772 in words is "seven million, four hundred fifty-four thousand, seven hundred seventy-two".