72946207 has 2 divisors, whose sum is σ = 72946208. Its totient is φ = 72946206.

The previous prime is 72946177. The next prime is 72946213. The reversal of 72946207 is 70264927.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72946207 - 2¹¹ = 72944159 is a prime.

It is a super-2 number, since 2×72946207² = 10642298231373698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72946217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36473103 + 36473104.

It is an arithmetic number, because the mean of its divisors is an integer number (36473104).

Almost surely, 2^72946207 is an apocalyptic number.

72946207 is a deficient number, since it is larger than the sum of its proper divisors (1).

72946207 is an equidigital number, since it uses as much as digits as its factorization.

72946207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 72946207 is about 8540.8551679560. The cubic root of 72946207 is about 417.8312372462.

It can be divided in two parts, 72946 and 207, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 72946207 in words is "seventy-two million, nine hundred forty-six thousand, two hundred seven".