77470001 has 4 divisors (see below), whose sum is σ = 88537152. Its totient is φ = 66402852.

The previous prime is 77469989. The next prime is 77470039. The reversal of 77470001 is 10007477.

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: 10007477 = 61 ⋅164057.

It is a cyclic number.

It is not a de Polignac number, because 77470001 - 2¹⁰ = 77468977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77470051) 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, 5533565 + ... + 5533578.

It is an arithmetic number, because the mean of its divisors is an integer number (22134288).

Almost surely, 2^77470001 is an apocalyptic number.

It is an amenable number.

77470001 is a deficient number, since it is larger than the sum of its proper divisors (11067151).

77470001 is a wasteful number, since it uses less digits than its factorization.

77470001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067150.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 77470001 is about 8801.7044372099. The cubic root of 77470001 is about 426.2959308726.

Adding to 77470001 its reverse (10007477), we get a palindrome (87477478).

The spelling of 77470001 in words is "seventy-seven million, four hundred seventy thousand, one".