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76007813 = 715171909
BaseRepresentation
bin1001000011111…
…00100110000101
312022000121010012
410201330212011
5123424222223
611313040005
71612025060
oct441744605
9168017105
1076007813
11399a4882
1221556005
131299324b
14a1478d7
156a15c78
hex487c985

76007813 has 8 divisors (see below), whose sum is σ = 87442560. Its totient is φ = 64717200.

The previous prime is 76007807. The next prime is 76007821. The reversal of 76007813 is 31870067.

It is a happy number.

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 76007813 - 24 = 76007797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76007813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76007863) 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, 34898 + ... + 37011.

It is an arithmetic number, because the mean of its divisors is an integer number (10930320).

Almost surely, 276007813 is an apocalyptic number.

It is an amenable number.

76007813 is a deficient number, since it is larger than the sum of its proper divisors (11434747).

76007813 is a wasteful number, since it uses less digits than its factorization.

76007813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72067.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 76007813 is about 8718.2459818475. The cubic root of 76007813 is about 423.5968730552.

The spelling of 76007813 in words is "seventy-six million, seven thousand, eight hundred thirteen".

Divisors: 1 7 151 1057 71909 503363 10858259 76007813