7372945 has 4 divisors (see below), whose sum is σ = 8847540. Its totient is φ = 5898352.

The previous prime is 7372943. The next prime is 7372957. The reversal of 7372945 is 5492737.

7372945 is an esthetic number in base 15, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 824464 + 6548481 = 908^2 + 2559^2 .

It is a cyclic number.

It is not a de Polignac number, because 7372945 - 2¹ = 7372943 is a prime.

It is a d-powerful number, because it can be written as 7 + 3¹³ + 7⁸ + 2⁵ + 9⁴ + 4⁶ + 5⁵ .

7372945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7372943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737290 + ... + 737299.

It is an arithmetic number, because the mean of its divisors is an integer number (2211885).

Almost surely, 2^7372945 is an apocalyptic number.

It is an amenable number.

7372945 is a deficient number, since it is larger than the sum of its proper divisors (1474595).

7372945 is a wasteful number, since it uses less digits than its factorization.

7372945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474594.

The product of its digits is 52920, while the sum is 37.

The square root of 7372945 is about 2715.3167402717. The cubic root of 7372945 is about 194.6317397749.

The spelling of 7372945 in words is "seven million, three hundred seventy-two thousand, nine hundred forty-five".