738646061 has 4 divisors (see below), whose sum is σ = 740775072. Its totient is φ = 736517052.

The previous prime is 738645983. The next prime is 738646067. The reversal of 738646061 is 160646837.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-738646061 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 (738646067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063985 + ... + 1064678.

It is an arithmetic number, because the mean of its divisors is an integer number (185193768).

Almost surely, 2^738646061 is an apocalyptic number.

It is an amenable number.

738646061 is a deficient number, since it is larger than the sum of its proper divisors (2129011).

738646061 is a wasteful number, since it uses less digits than its factorization.

738646061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129010.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 738646061 is about 27178.0437301878. The cubic root of 738646061 is about 903.9521916692.

The spelling of 738646061 in words is "seven hundred thirty-eight million, six hundred forty-six thousand, sixty-one".