740037401 has 2 divisors, whose sum is σ = 740037402. Its totient is φ = 740037400.

The previous prime is 740037371. The next prime is 740037409. The reversal of 740037401 is 104730047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387499225 + 352538176 = 19685^2 + 18776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740037401 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (740037409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370018700 + 370018701.

It is an arithmetic number, because the mean of its divisors is an integer number (370018701).

Almost surely, 2^740037401 is an apocalyptic number.

It is an amenable number.

740037401 is a deficient number, since it is larger than the sum of its proper divisors (1).

740037401 is an equidigital number, since it uses as much as digits as its factorization.

740037401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 740037401 is about 27203.6284528369. The cubic root of 740037401 is about 904.5194078450.

Adding to 740037401 its reverse (104730047), we get a palindrome (844767448).

The spelling of 740037401 in words is "seven hundred forty million, thirty-seven thousand, four hundred one".