3745407261 has 32 divisors (see below), whose sum is σ = 5149808640. Its totient is φ = 2420409600.

The previous prime is 3745407257. The next prime is 3745407271. The reversal of 3745407261 is 1627045473.

It is not a de Polignac number, because 3745407261 - 2² = 3745407257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745407221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5419926 + ... + 5420616.

It is an arithmetic number, because the mean of its divisors is an integer number (160931520).

Almost surely, 2^3745407261 is an apocalyptic number.

It is an amenable number.

3745407261 is a deficient number, since it is larger than the sum of its proper divisors (1404401379).

3745407261 is a wasteful number, since it uses less digits than its factorization.

3745407261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 3745407261 is about 61199.7325239253. The cubic root of 3745407261 is about 1552.9817401857.

The spelling of 3745407261 in words is "three billion, seven hundred forty-five million, four hundred seven thousand, two hundred sixty-one".