62172245 has 4 divisors (see below), whose sum is σ = 74606700. Its totient is φ = 49737792.

The previous prime is 62172241. The next prime is 62172283. The reversal of 62172245 is 54227126.

It is a happy number.

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 27019204 + 35153041 = 5198^2 + 5929^2 .

It is a cyclic number.

It is not a de Polignac number, because 62172245 - 2² = 62172241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62172241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6217220 + ... + 6217229.

It is an arithmetic number, because the mean of its divisors is an integer number (18651675).

Almost surely, 2^62172245 is an apocalyptic number.

It is an amenable number.

62172245 is a deficient number, since it is larger than the sum of its proper divisors (12434455).

62172245 is a wasteful number, since it uses less digits than its factorization.

62172245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434454.

The product of its digits is 6720, while the sum is 29.

The square root of 62172245 is about 7884.9378564450. The cubic root of 62172245 is about 396.1553419899.

The spelling of 62172245 in words is "sixty-two million, one hundred seventy-two thousand, two hundred forty-five".