97672039 has 2 divisors, whose sum is σ = 97672040. Its totient is φ = 97672038.

The previous prime is 97672031. The next prime is 97672093. The reversal of 97672039 is 93027679.

Together with next prime (97672093) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97672039 - 2³ = 97672031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97671986 and 97672004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97672031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48836019 + 48836020.

It is an arithmetic number, because the mean of its divisors is an integer number (48836020).

Almost surely, 2^97672039 is an apocalyptic number.

97672039 is a deficient number, since it is larger than the sum of its proper divisors (1).

97672039 is an equidigital number, since it uses as much as digits as its factorization.

97672039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 97672039 is about 9882.9165229703. The cubic root of 97672039 is about 460.5287539866.

The spelling of 97672039 in words is "ninety-seven million, six hundred seventy-two thousand, thirty-nine".