74747474747 has 8 divisors (see below), whose sum is σ = 81559741872. Its totient is φ = 67938048000.

The previous prime is 74747474729. The next prime is 74747474759.

74747474747 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74747474747 - 2⁸ = 74747474491 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

74747474747 is an undulating number in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 74747474747.

It is not an unprimeable number, because it can be changed into a prime (74747474797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654878 + ... + 760499.

It is an arithmetic number, because the mean of its divisors is an integer number (10194967734).

Almost surely, 2^74747474747 is an apocalyptic number.

74747474747 is a deficient number, since it is larger than the sum of its proper divisors (6812267125).

74747474747 is a wasteful number, since it uses less digits than its factorization.

74747474747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420189.

The product of its digits is 120472576, while the sum is 62.

The spelling of 74747474747 in words is "seventy-four billion, seven hundred forty-seven million, four hundred seventy-four thousand, seven hundred forty-seven".