738066997 has 4 divisors (see below), whose sum is σ = 745232800. Its totient is φ = 730901196.

The previous prime is 738066983. The next prime is 738067037. The reversal of 738066997 is 799660837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799660837 = 1933 ⋅413689.

It is a cyclic number.

It is not a de Polignac number, because 738066997 - 2⁷ = 738066869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738066937) 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, 3582747 + ... + 3582952.

It is an arithmetic number, because the mean of its divisors is an integer number (186308200).

Almost surely, 2^738066997 is an apocalyptic number.

It is an amenable number.

738066997 is a deficient number, since it is larger than the sum of its proper divisors (7165803).

738066997 is a wasteful number, since it uses less digits than its factorization.

738066997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7165802.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The square root of 738066997 is about 27167.3884832532. The cubic root of 738066997 is about 903.7159111532.

The spelling of 738066997 in words is "seven hundred thirty-eight million, sixty-six thousand, nine hundred ninety-seven".