66062997 has 48 divisors (see below), whose sum is σ = 128139648. Its totient is φ = 31674240.

The previous prime is 66062959. The next prime is 66062999. The reversal of 66062997 is 79926066.

It is not a de Polignac number, because 66062997 - 2⁷ = 66062869 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66062999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5343 + ... + 12675.

It is an arithmetic number, because the mean of its divisors is an integer number (2669576).

Almost surely, 2^66062997 is an apocalyptic number.

It is an amenable number.

66062997 is a deficient number, since it is larger than the sum of its proper divisors (62076651).

66062997 is a wasteful number, since it uses less digits than its factorization.

66062997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370 (or 7367 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 66062997 is about 8127.9146772096. The cubic root of 66062997 is about 404.2525399611.

The spelling of 66062997 in words is "sixty-six million, sixty-two thousand, nine hundred ninety-seven".